The ISOLAB Hexagonal Stopper NS 19/26 is made from high-quality borosilicate glass 3.3, offering excellent resistance to heat and chemicals. The hexagonal shape prevents rolling and ensures the stopper can be securely placed on its side, preventing contamination. This pack of 10 stoppers is designed to fit NS 19/26 ground glass joints and is perfect for sealing laboratory glassware during distillation, titration, or other laboratory applications requiring a reliable seal.
Key Features:
These stoppers are essential for any laboratory requiring a secure, reliable seal for glassware during scientific procedures.
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